package com.moneyanalyzer;


import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import com.moneyanalyzer.views.BudgetViewFragment;
import com.moneyanalyzer.views.CategoryViewFragment;
import com.moneyanalyzer.views.HomeViewFragment;
import com.moneyanalyzer.views.TransactionViewFragment;

public class MainActivity extends Activity {
	
	private DrawerLayout drawerLayout;
    private ListView drawerList;
    private ActionBarDrawerToggle drawerToggle;

    private CharSequence drawerTitle;
    private CharSequence title;
    private String[] itensDrawerListTitles;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        title = drawerTitle = getTitle();
        itensDrawerListTitles = getResources().getStringArray(R.array.itens_drawerlist_title_array);
        drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawerList = (ListView) findViewById(R.id.left_drawer);
        
        // set a custom shadow that overlays the main content when the drawer opens
        drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // set up the drawer's list view with items and click listener
        drawerList.setAdapter(new ArrayAdapter<String>(this,
                R.layout.drawer_list_item, itensDrawerListTitles));
        drawerList.setOnItemClickListener(new DrawerItemClickListener());

        // enable ActionBar app icon to behave as action to toggle nav drawer
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);
        
        // ActionBarDrawerToggle ties together the the proper interactions
        // between the sliding drawer and the action bar app icon
        drawerToggle = new ActionBarDrawerToggle(
                this,                  /* host Activity */
                drawerLayout,          /* DrawerLayout object */
                R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
                R.string.drawer_open,  /* "open drawer" description for accessibility */
                R.string.drawer_close  /* "close drawer" description for accessibility */
                ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(title);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(drawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };
        drawerLayout.setDrawerListener(drawerToggle);

        if (savedInstanceState == null) {
            selectItem(0);
        }
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        //getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
    /* Called whenever we call invalidateOptionsMenu() */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // If the nav drawer is open, hide action items related to the content view
        //boolean drawerOpen = drawerLayout.isDrawerOpen(drawerList);
    	int itemSelected = drawerList.getSelectedItemPosition();
    	switch (itemSelected) {
		case 1:
			menu.add(android.R.drawable.btn_plus);
			break;

		default:
			break;
		}
    	
       // menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
         // The action bar home/up action should open or close the drawer.
         // ActionBarDrawerToggle will take care of this.
        if (drawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action buttons
        switch(item.getItemId()) {
        case android.R.drawable.btn_plus:
        	
        
        	
            // create intent to perform web search for this planet
//            Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
//            intent.putExtra(SearchManager.QUERY, getActionBar().getTitle());
//            // catch event that there's no activity to handle intent
//            if (intent.resolveActivity(getPackageManager()) != null) {
//                startActivity(intent);
//            } else {
//                Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show();
//            }
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }
    
    //TODO Remover
//    public void loadViewAddCategory(View view){
//    	//Intent intent = new Intent(this, CategoryAdd.class);
//    	//startActivity(intent);
//    }
    
    /* The click listner for ListView in the navigation drawer */
    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    }
    
    private void selectItem(int position) {
    	Fragment fragment = null;
    	switch (position) {
		case 0:
			fragment = new HomeViewFragment();
			break;
		case 1:
			fragment = new TransactionViewFragment();
			break;
		case 2:
			fragment = new BudgetViewFragment();
			break;
		case 3:
			fragment = new CategoryViewFragment();
			break;
		default:
			Toast.makeText(this, R.string.not_implemented, Toast.LENGTH_LONG).show();
			break;
		}
    	
    	if(fragment != null){
    		FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
            // update selected item and title, then close the drawer
            drawerList.setItemChecked(position, true);
            setTitle(itensDrawerListTitles[position]);
            drawerLayout.closeDrawer(drawerList);
    	}
    	
    	
    	
//        // update the main content by replacing fragments
//        Fragment fragment = new PlanetFragment();
//        Bundle args = new Bundle();
//        //args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
//        fragment.setArguments(args);
//
//        FragmentManager fragmentManager = getFragmentManager();
//        fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
//
//        // update selected item and title, then close the drawer
//        mDrawerList.setItemChecked(position, true);
//        setTitle(mPlanetTitles[position]);
//        mDrawerLayout.closeDrawer(mDrawerList);
    }
    @Override
    public void setTitle(CharSequence title) {
        this.title = title;
        getActionBar().setTitle(this.title);
    }
    
//    public static Activity getActivity(){
//    	return getActivity();
//    }
//    
}
